Which of the following facial landmark planes must be positioned slightly (5 degrees) down toward the floor when positioning the arches within the focal trough?
A) Frankfort
B) Ala-tragus
C) Midsagittal
D) Occlusal
B
Explanation: A) The Frankfort and occlusal planes should be positioned parallel to the floor. The midsagittal plane should be positioned perpendicular to the floor.
B) The Frankfort and occlusal planes should be positioned parallel to the floor. The midsagittal plane should be positioned perpendicular to the floor.
C) The Frankfort and occlusal planes should be positioned parallel to the floor. The midsagittal plane should be positioned perpendicular to the floor.
D) The Frankfort and occlusal planes should be positioned parallel to the floor. The midsagittal plane should be positioned perpendicular to the floor.
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Which one of the following instructions given by an EMT indicates the proper administration of nitroglycerin?
A) "Breathe in when I spray the nitroglycerin into your mouth." B) "This pill will go between your cheek and gum." C) "Please chew and swallow this pill." D) "Let this pill dissolve under your tongue."
Answer the following statement(s) true (T) or false (F)
1. Atherosclerosis is the form of arteriosclerosis that affects the coronary arteries and causes coronary artery disease. 2. The amount of stress necessary to cause an angina attack can vary from time to time. 3. The most common symptom of angina is pain. 4. During an angina attack, the patient moves about a great deal in an effort to get comfortable. 5. Nitroglycerin should be stored in its original bottle with the cap tightly sealed.
The chemical mediators that cause an allergic reaction are released by:
A. lymphocytes and neutrophils. B. histamines and leukotrienes. C. macrophages and eosinophils. D. basophils and mast cells.
Medical malpractice insurance that covers the insured only for those claims made while the policy is in force is called
A. self-insured coverage. B. occurrence coverage. C. prior acts coverage. D. liability coverage. E. claims-made coverage.